The broader Nifty that slipped below the 9,900 mark intra-day, settled at 9,912.85, down by 61.55 points, or 0.62 per cent, dragged by banks, FMCG and IT stocks.
It had gained by 178.35 points, or 1.81 per cent, in previous three days.
Overseas, European and Asian stocks dropped after North Korea, said it tested a hydrogen bomb with unprecedentedly big power, raising geo-political tensions between North Korea and US. Meanwhile, US President Donald Trump threatened to increase economic sanctions and halt trade with any nation doing business with North Korea.
Other indices like Nifty Realty fell by 1.65 per cent followed by Nifty Pvt Bank 0.87 per cent, Nifty Bank 0.81 per cent, Auto 0.79 per cent, IT 0.69 per cent and Fin Services 0.67 per cent.
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Major losers were IOC 4.29 per cent followed by ACC 2.58 per cent, Adani Ports 2.54 per cent, Infy 2.15 per cent and Tata Motors DVR 2.12 per cent.
Gainers included Coal India 3.29 per cent, Sun Pharma 2.98 per cent, Bosch Ltd 1.36 per cent, ONGC 1.16 per cent and IBUL Housing Fin 1.06 per cent.
As many as 164 securities hit their price bands.
Turnover in the cash segment fell to Rs 24,830.67 crore from Rs 27,336.46 crore last Friday.
A total of 13,033.84 lakh shares changed hands in 8,642,400 trades. The market capitalisation of listed firms on the NSE stood at Rs 13,126,952 crore.